The Qingdao edition is more difficult, and the People's Education Edition is easy to understand. The textbook of Qingdao Edition provides an information window for students to ask questions according to the information, but the questions asked by students are not accurate. This problem does not exist in the People's Education Edition. Mathematics is characterized by introducing different situations and using different exercise materials, so that children can understand mathematical knowledge and concepts. Learning does not mean understanding, and understanding does not mean using, which requires repeated consolidation and practice.